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Mainspring
For Seiko 1600-5540
1.70 x 0.120 x 420 x 11.5 mm
GR Reference #: GR4940
Height (H): 1.7mm
Thickness (T): 0.12mm
Total Length (TL): 420mm
Barrel Diameter (BD): 11.5mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Ronda 117 | QUARTZ ANALOG DSS DAY DATE | 11.5 |
| Citizen 4-163745 | CITIZEN CASE | |
| Citizen 4-Y61302 | CITIZEN CASE | |
| Ronda 117 | QUARTZ ANALOG DSS DAY DATE | 11.5 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Kienzle 058B15 | 1.65 (1.70) x 0.110 (0.120) x 360 (420) x 10.5 (11.5) mm | |
| Kienzle 058B25 | 1.65 (1.70) x 0.110 (0.120) x 360 (420) x 10.5 (11.5) mm |
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